XML 31 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover
 12 Months Ended
Dec. 31, 2024
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Period End Date Dec. 31, 2024
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2024
Current Fiscal Year End Date --12-31
Entity File Number 001-15276
Entity Registrant Name Itau Unibanco Holding S.A.
Entity Central Index Key 0001132597
Entity Incorporation, State or Country Code D5
Entity Address, Address Line One Praça Alfredo Egydio de Souza Aranha
Entity Address, City or Town SP
Entity Address, Country BR
Entity Address, Postal Zip Code 04344
Title of 12(b) Security American Depositary Shares (as evidenced by American Depositary Receipts), each representing one Preferred Share
Trading Symbol ITUB
Security Exchange Name NYSE
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Auditor Firm ID 1351
Auditor Name PricewaterhouseCoopers Auditores Independentes Ltda.
Auditor Location São Paulo, Brasil
Ordinary shares [member]  
Entity Addresses [Line Items]  
Entity Common Stock, Shares Outstanding 4,958,290,359
Preference shares [member]  
Entity Addresses [Line Items]  
Entity Common Stock, Shares Outstanding 4,817,814,156
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One Praça Alfredo Egydio de Souza Aranha
Entity Address, City or Town SP
Entity Address, Country BR
Entity Address, Postal Zip Code 04344
Country Region 55
City Area Code 11
Local Phone Number 2794 3547
Contact Personnel Name Gustavo Lopes Rodrigues
Contact Personnel Email Address drinvest@itau-unibanco.com.br